Party affiliation: Free Democratic Party
Chairman, Freie Demokratische Partei (Free Democratic Party) local association, Weiden-Lövenich, 1980-1985. Member of federal Executive Committee, Junge Liberale (Young Liberals), 1983-1986. Deputy federal chairman, Young Liberals.
Chairman, Freie Demokratische Partei (Free Democratic Party) district association, Köln, since 1984, member of county Executive Committee, Freie Demokratische Partei (Free Democratic Party) in Nordrhein-Westfalen, since 1984. Member of Bundestag, party list of Nordrhein-Westfalen, since 1987. Commercial and technical work experience, West Germany and USA.
Executive, Carl Duisberg Society, currently on leave. Part-time lecturer in international economic relations. University of Köln; lecturer in finance and international economics.
Academy of Administrative and Economic Studies, Oberhausen. Member of Society of Economic and Social Science, Association for Social Policy. Member of American Economic Association.
Member of Ludwig Erhard Foundation.